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POis it possible to do 'stateless' programming in matlab / how to avoid checking data integrity?
 

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  1. POis it possible to do 'stateless' programming in matlab / how to avoid checking data integrity?
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    <p>My day to day work flow is something like this:</p> <ul> <li>acquire raw data (~50GB)</li> <li>parse raw data timing-information and build raw data structure (struct / object) from timing-information (what event occurred when, in which order, in what file, what other events occurred at the same time, etc ...)</li> <li>load only the necessary parts of raw data into struct / object as selected from previous timing information (basically this is a way to sub-select data)</li> <li>for each raw data chunk, calculate / extract certain metrics like RMS of signal, events where data > threshold, d' / z-score, and save them with struct / object</li> <li>given the the previously calculated metrics, load some raw-data of same time episodes from different data channel and compare certain things, etc ...</li> <li>visualize results x, y, z</li> </ul> <p>I have two ways of dealing with this kind of data / workflow:</p> <ol> <li>use struct()</li> <li>use objects</li> </ol> <p>There are certain advantages / disadvantages to both cases:</p> <ol> <li><p>struct:</p> <ul> <li>can add properties / fields on the fly</li> <li>have to check for state of struct every single time that I pass a struct to a function</li> <li>keep re-writing certain functions because every time that I change the struct slightly I a) tend to forget that a function already exists for it or b) I write a new version that handles a special case of the struct state. </li> </ul></li> <li><p>objects:</p> <ul> <li>using 'get.property()' methods, I can check the state of a property before it get's accessed inside a function / method -> allows to do data consistency checks.</li> <li>I always know which methods work with my object, since they are part of the object definition.</li> <li>need to <code>clear classes</code> every time I add a new property or method - very annoying!</li> </ul></li> </ol> <p>Now my question is: how do other people deal with this kind of situation? how do you organize your data? in structs? in objects? how do you handle state checks? is there a way to do 'stateless' programming in matlab?</p>
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